dev-db/pgpool2: Bump to 4.2.0

Now supports Pg 12 and 13.

Signed-off-by: Aaron W. Swenson <titanofold@gentoo.org>

dev-db/pgpool2/Manifest

@@ -1,2 +1,3 @@
 DIST pgpool-II-3.7.10.tar.gz 3375419 BLAKE2B 96d589e9a3eff631bd4bffdcf321b3b532e5f0985dd4a5948fabc3228400305dc98fbf17ba64e162ecbaecca400e1bb3cad6fc954b2d624292f6f22deb48a789 SHA512 a89c392e336f5dd608c6876011f996fa1e4d7cb4b0eef31c24b2338ac287b72b73948e82429715d38fd9a7a6598f56828192722a2a8ee0d473738b804c4a2a48
 DIST pgpool-II-4.0.5.tar.gz 3768842 BLAKE2B 2756d23db950a037a9203aae41293535de25d11bf9860f509040bf5b483ae5fb9e651c8189ee5f0a9398a45d20d2c54566769945e38c52361c160a1162a8e3af SHA512 897df553dba3a1800adae5d22ed4f4fe210a3013fb533730837591244877eeaf0e4090d1a0c65e189b71798b5c303ea22e2198f6317b54f74f10ba48fa2188c6
+DIST pgpool-II-4.2.0.tar.gz 4707623 BLAKE2B 9aa54fe0230d5dab303e9b20f35c242f9fe7f09c4c506c72be3a5d789f4e5c23b6e6fdf529ddafd5b1a0c0697a1e1b0f0106f965a8409f8e012633b8be0a58a9 SHA512 73179c3968441b592503512c5e0dfcc95ef778ecfd077024df0485fe831c9af12e708b51607c96c7bebf26f3cc81aefc53f50c7ad0a670d304cbbcf852170abf

dev-db/pgpool2/files/pgpool-4.2.0-configure-memcached.patch

@@ -0,0 +1,60 @@
+diff -Naruw pgpool-II-4.2.0.orig/configure.ac pgpool-II-4.2.0/configure.ac
+--- pgpool-II-4.2.0.orig/configure.ac	2020-11-25 20:25:42.000000000 -0500
++++ pgpool-II-4.2.0/configure.ac	2020-12-16 06:36:26.051076452 -0500
+@@ -392,37 +392,24 @@
+ fi
+ 
+ 
+-AC_ARG_WITH(memcached,
+-    [  --with-memcached=DIR     site header files for libmemcached in DIR],
+-    [
+-  case "$withval" in
+-  "" | y | ye | yes | n | no)
+-      AC_MSG_ERROR([*** You must supply an argument to the --with-memcached option.])
+-    ;;
+-    *)
+-
+-  MEMCACHED_INCLUDE_DIR="$withval"/include
+-  MEMCACHED_LIB_DIR="$withval"/lib
+-  OLD_CFLAGS="$CFLAGS"
+-  CFLAGS="$CFLAGS -I$MEMCACHED_INCLUDE_DIR"
++AC_ARG_WITH([memcached],
++    AS_HELP_STRING([--with-memcached], [Build with memcached support]))
++AS_IF([test "x$with_memcached" = "xyes"], [
++   PKG_CHECK_MODULES([MEMCACHED], [libmemcached])
++   CFLAGS="$CFLAGS $MEMCACHED_CFLAGS"
++   LIBS="$LIBS $MEMCACHED_LIBS"
++
+     AC_CHECK_HEADERS(
+       [libmemcached/memcached.h],
+         [AC_DEFINE([USE_MEMCACHED], 1, [Define to 1 to build with memcached support])],
+-        [AC_MSG_ERROR([header file <libmemcached/memcached.h> is required for memcached support])])
+-  CFLAGS=$OLD_CFLAGS
+-  AC_CHECK_LIB(memcached, memcached_create, [], [AC_MSG_ERROR(libmemcached is not installed)])
+-  MEMCACHED_INCLUDE_OPT="-I $MEMCACHED_INCLUDE_DIR"
+-  MEMCACHED_LINK_OPT="-L$MEMCACHED_LIB_DIR"
+-  MEMCACHED_RPATH_OPT="-rpath $MEMCACHED_LIB_DIR"
+-  ;;
+-  esac
++           [AC_MSG_ERROR([Couldn't find <libmemcached/memcached.h>])])
++
++   AC_SEARCH_LIBS(memcached_create, [], [],
++       [AC_MSG_ERROR(libmemcached is not installed)])
+   ])
+ 
+ CFLAGS="$CFLAGS -fno-strict-aliasing"
+ 
+-AC_SUBST(MEMCACHED_INCLUDE_OPT)
+-AC_SUBST(MEMCACHED_LINK_OPT)
+-AC_SUBST(MEMCACHED_RPATH_OPT)
+ 
+ OLD_LDFLAGS="$LDFLAGS"
+ LDFLAGS="-L$PGSQL_LIB_DIR $LDFLAGS"
+@@ -435,7 +422,6 @@
+ AC_SUBST(PGSQL_INCLUDE_DIR)
+ AC_SUBST(PGSQL_LIB_DIR)
+ AC_SUBST(PGSQL_BIN_DIR)
+-AC_SUBST(MEMCACHED_DIR)
+ 
+ # --enable(disable)-rpath option
+ AC_ARG_ENABLE(rpath,

dev-db/pgpool2/files/pgpool-4.2.0-configure-pthread.patch

@@ -0,0 +1,14 @@
+diff -Naruw pgpool-II-4.2.0.orig/configure.ac pgpool-II-4.2.0/configure.ac
+--- pgpool-II-4.2.0.orig/configure.ac	2020-11-25 20:25:42.000000000 -0500
++++ pgpool-II-4.2.0/configure.ac	2020-12-16 06:40:11.150611861 -0500
+@@ -4,6 +4,10 @@
+ dnl Checks for programs.
+ AC_PROG_CC
+ AC_PROG_CC_C99()
++AX_PTHREAD
++LIBS="$PTHREAD_LIBS $LIBS"
++CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
++CC="$PTHREAD_CC"
+ 
+ # Error out if the compiler does not support C99, as the codebase
+ # relies on that.

dev-db/pgpool2/files/pgpool-4.2.0-run_paths.patch

@@ -0,0 +1,432 @@
+diff -Naruw pgpool-II-4.2.0.orig/src/include/parser/pg_config_manual.h pgpool-II-4.2.0/src/include/parser/pg_config_manual.h
+--- pgpool-II-4.2.0.orig/src/include/parser/pg_config_manual.h	2020-11-25 20:25:31.000000000 -0500
++++ pgpool-II-4.2.0/src/include/parser/pg_config_manual.h	2020-12-16 21:39:27.178596628 -0500
+@@ -228,7 +228,7 @@
+  * support them yet.
+  */
+ #ifndef WIN32
+-#define DEFAULT_PGSOCKET_DIR  "/tmp"
++#define DEFAULT_PGSOCKET_DIR  "/run/postgresql"
+ #else
+ #define DEFAULT_PGSOCKET_DIR ""
+ #endif
+diff -Naruw pgpool-II-4.2.0.orig/src/include/pcp/pcp_stream.h pgpool-II-4.2.0/src/include/pcp/pcp_stream.h
+--- pgpool-II-4.2.0.orig/src/include/pcp/pcp_stream.h	2020-11-25 20:25:31.000000000 -0500
++++ pgpool-II-4.2.0/src/include/pcp/pcp_stream.h	2020-12-16 21:40:46.051752707 -0500
+@@ -49,6 +49,6 @@
+ extern int	pcp_write(PCP_CONNECTION * pc, void *buf, int len);
+ extern int	pcp_flush(PCP_CONNECTION * pc);
+ 
+-#define UNIX_DOMAIN_PATH "/tmp"
++#define UNIX_DOMAIN_PATH "/run/pgpool"
+ 
+ #endif							/* PCP_STREAM_H */
+diff -Naruw pgpool-II-4.2.0.orig/src/include/pool.h pgpool-II-4.2.0/src/include/pool.h
+--- pgpool-II-4.2.0.orig/src/include/pool.h	2020-11-25 20:25:31.000000000 -0500
++++ pgpool-II-4.2.0/src/include/pool.h	2020-12-16 21:42:50.054807364 -0500
+@@ -69,16 +69,16 @@
+ #define HBA_CONF_FILE_NAME "pool_hba.conf"
+ 
+ /* pid file directory */
+-#define DEFAULT_LOGDIR "/tmp"
++#define DEFAULT_LOGDIR "/run/pgpool"
+ 
+ /* Unix domain socket directory */
+-#define DEFAULT_SOCKET_DIR "/tmp"
++#define DEFAULT_SOCKET_DIR "/run/postgresql"
+ 
+ /* Unix domain socket directory for watchdog IPC */
+-#define DEFAULT_WD_IPC_SOCKET_DIR "/tmp"
++#define DEFAULT_WD_IPC_SOCKET_DIR "/run/pgpool"
+ 
+ /* pid file name */
+-#define DEFAULT_PID_FILE_NAME "/var/run/pgpool/pgpool.pid"
++#define DEFAULT_PID_FILE_NAME "/run/pgpool/pgpool.pid"
+ 
+ /* status file name */
+ #define STATUS_FILE_NAME "pgpool_status"
+diff -Naruw pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample pgpool-II-4.2.0/src/sample/pgpool.conf.sample
+--- pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample	2020-11-25 20:25:31.000000000 -0500
++++ pgpool-II-4.2.0/src/sample/pgpool.conf.sample	2020-12-16 21:57:56.776102951 -0500
+@@ -39,10 +39,8 @@
+ port = 9999
+                                    # Port number
+                                    # (change requires restart)
+-socket_dir = '/tmp'
++socket_dir = '/run/postgresql'
+                                    # Unix domain socket path
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ reserved_connections = 0
+                                    # Number of reserved connections.
+@@ -59,10 +57,8 @@
+ pcp_port = 9898
+                                    # Port number for pcp
+                                    # (change requires restart)
+-pcp_socket_dir = '/tmp'
++pcp_socket_dir = '/run/pgpool'
+                                    # Unix domain socket path for pcp
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ listen_backlog_multiplier = 2
+                                    # Set the backlog parameter of listen(2) to
+@@ -286,13 +282,13 @@
+ # FILE LOCATIONS
+ #------------------------------------------------------------------------------
+ 
+-pid_file_name = '/var/run/pgpool/pgpool.pid'
++pid_file_name = '/run/pgpool/pgpool.pid'
+                                    # PID file name
+                                    # Can be specified as relative to the"
+                                    # location of pgpool.conf file or
+                                    # as an absolute path
+                                    # (change requires restart)
+-logdir = '/tmp'
++logdir = '/run/pgpool'
+                                    # Directory of pgPool status file
+                                    # (change requires restart)
+ 
+@@ -659,10 +655,8 @@
+                                     # Authentication key for watchdog communication
+                                     # (change requires restart)
+ 
+-wd_ipc_socket_dir = '/tmp'
++wd_ipc_socket_dir = '/run/pgpool'
+                                     # Unix domain socket path for watchdog IPC socket
+-                                    # The Debian package defaults to
+-                                    # /var/run/postgresql
+                                     # (change requires restart)
+ 
+ 
+diff -Naruw pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-logical pgpool-II-4.2.0/src/sample/pgpool.conf.sample-logical
+--- pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-logical	2020-11-25 20:25:31.000000000 -0500
++++ pgpool-II-4.2.0/src/sample/pgpool.conf.sample-logical	2020-12-16 21:57:56.776102951 -0500
+@@ -38,10 +38,8 @@
+ port = 9999
+                                    # Port number
+                                    # (change requires restart)
+-socket_dir = '/tmp'
++socket_dir = '/run/postgresql'
+                                    # Unix domain socket path
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ reserved_connections = 0
+ 				   # Number of reserved connections.
+@@ -58,10 +56,8 @@
+ pcp_port = 9898
+                                    # Port number for pcp
+                                    # (change requires restart)
+-pcp_socket_dir = '/tmp'
++pcp_socket_dir = '/run/pgpool'
+                                    # Unix domain socket path for pcp
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ listen_backlog_multiplier = 2
+                                    # Set the backlog parameter of listen(2) to
+@@ -286,13 +282,13 @@
+ # FILE LOCATIONS
+ #------------------------------------------------------------------------------
+ 
+-pid_file_name = '/var/run/pgpool/pgpool.pid'
++pid_file_name = '/run/pgpool/pgpool.pid'
+                                    # PID file name
+                                    # Can be specified as relative to the"
+                                    # location of pgpool.conf file or
+                                    # as an absolute path
+                                    # (change requires restart)
+-logdir = '/tmp'
++logdir = '/run/pgpool'
+                                    # Directory of pgPool status file
+                                    # (change requires restart)
+ 
+@@ -621,10 +617,8 @@
+                                     # Authentication key for watchdog communication
+                                     # (change requires restart)
+ 
+-wd_ipc_socket_dir = '/tmp'
++wd_ipc_socket_dir = '/run/pgpool'
+                                     # Unix domain socket path for watchdog IPC socket
+-                                    # The Debian package defaults to
+-                                    # /var/run/postgresql
+                                     # (change requires restart)
+ 
+ 
+diff -Naruw pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-raw pgpool-II-4.2.0/src/sample/pgpool.conf.sample-raw
+--- pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-raw	2020-11-25 20:25:31.000000000 -0500
++++ pgpool-II-4.2.0/src/sample/pgpool.conf.sample-raw	2020-12-16 21:57:56.776102951 -0500
+@@ -39,10 +39,8 @@
+ port = 9999
+                                    # Port number
+                                    # (change requires restart)
+-socket_dir = '/tmp'
++socket_dir = '/run/postgresql'
+                                    # Unix domain socket path
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ reserved_connections = 0
+                                    # Number of reserved connections.
+@@ -59,10 +57,8 @@
+ pcp_port = 9898
+                                    # Port number for pcp
+                                    # (change requires restart)
+-pcp_socket_dir = '/tmp'
++pcp_socket_dir = '/run/pgpool'
+                                    # Unix domain socket path for pcp
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ listen_backlog_multiplier = 2
+                                    # Set the backlog parameter of listen(2) to
+@@ -287,13 +283,13 @@
+ # FILE LOCATIONS
+ #------------------------------------------------------------------------------
+ 
+-pid_file_name = '/var/run/pgpool/pgpool.pid'
++pid_file_name = '/run/pgpool/pgpool.pid'
+                                    # PID file name
+                                    # Can be specified as relative to the"
+                                    # location of pgpool.conf file or
+                                    # as an absolute path
+                                    # (change requires restart)
+-logdir = '/tmp'
++logdir = '/run/pgpool'
+                                    # Directory of pgPool status file
+                                    # (change requires restart)
+ 
+@@ -660,10 +656,8 @@
+                                     # Authentication key for watchdog communication
+                                     # (change requires restart)
+ 
+-wd_ipc_socket_dir = '/tmp'
++wd_ipc_socket_dir = '/run/pgpool'
+                                     # Unix domain socket path for watchdog IPC socket
+-                                    # The Debian package defaults to
+-                                    # /var/run/postgresql
+                                     # (change requires restart)
+ 
+ # - Virtual IP control Setting -
+diff -Naruw pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-replication pgpool-II-4.2.0/src/sample/pgpool.conf.sample-replication
+--- pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-replication	2020-11-25 20:25:31.000000000 -0500
++++ pgpool-II-4.2.0/src/sample/pgpool.conf.sample-replication	2020-12-16 21:57:56.776102951 -0500
+@@ -39,10 +39,8 @@
+ port = 9999
+                                    # Port number
+                                    # (change requires restart)
+-socket_dir = '/tmp'
++socket_dir = '/run/postgresql'
+                                    # Unix domain socket path
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ listen_backlog_multiplier = 2
+                                    # Set the backlog parameter of listen(2) to
+@@ -65,10 +63,8 @@
+ pcp_port = 9898
+                                    # Port number for pcp
+                                    # (change requires restart)
+-pcp_socket_dir = '/tmp'
++pcp_socket_dir = '/run/pgpool'
+                                    # Unix domain socket path for pcp
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ 
+ # - Backend Connection Settings -
+@@ -282,13 +278,13 @@
+ # FILE LOCATIONS
+ #------------------------------------------------------------------------------
+ 
+-pid_file_name = '/var/run/pgpool/pgpool.pid'
++pid_file_name = '/run/pgpool/pgpool.pid'
+                                    # PID file name
+                                    # Can be specified as relative to the"
+                                    # location of pgpool.conf file or
+                                    # as an absolute path
+                                    # (change requires restart)
+-logdir = '/tmp'
++logdir = '/run/pgpool'
+                                    # Directory of pgPool status file
+                                    # (change requires restart)
+ 
+@@ -657,10 +653,8 @@
+                                     # Authentication key for watchdog communication
+                                     # (change requires restart)
+ 
+-wd_ipc_socket_dir = '/tmp'
++wd_ipc_socket_dir = '/run/pgpool'
+                                     # Unix domain socket path for watchdog IPC socket
+-                                    # The Debian package defaults to
+-                                    # /var/run/postgresql
+                                     # (change requires restart)
+ 
+ 
+diff -Naruw pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-slony pgpool-II-4.2.0/src/sample/pgpool.conf.sample-slony
+--- pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-slony	2020-11-25 20:25:31.000000000 -0500
++++ pgpool-II-4.2.0/src/sample/pgpool.conf.sample-slony	2020-12-16 21:57:56.776102951 -0500
+@@ -39,10 +39,8 @@
+ port = 9999
+                                    # Port number
+                                    # (change requires restart)
+-socket_dir = '/tmp'
++socket_dir = '/run/postgresql'
+                                    # Unix domain socket path
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ listen_backlog_multiplier = 2
+                                    # Set the backlog parameter of listen(2) to
+@@ -65,10 +63,8 @@
+ pcp_port = 9898
+                                    # Port number for pcp
+                                    # (change requires restart)
+-pcp_socket_dir = '/tmp'
++pcp_socket_dir = '/run/pgpool'
+                                    # Unix domain socket path for pcp
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ 
+ # - Backend Connection Settings -
+@@ -283,13 +279,13 @@
+ # FILE LOCATIONS
+ #------------------------------------------------------------------------------
+ 
+-pid_file_name = '/var/run/pgpool/pgpool.pid'
++pid_file_name = '/run/pgpool/pgpool.pid'
+                                    # PID file name
+                                    # Can be specified as relative to the"
+                                    # location of pgpool.conf file or
+                                    # as an absolute path
+                                    # (change requires restart)
+-logdir = '/tmp'
++logdir = '/run/pgpool'
+                                    # Directory of pgPool status file
+                                    # (change requires restart)
+ 
+@@ -658,10 +654,8 @@
+                                     # Authentication key for watchdog communication
+                                     # (change requires restart)
+ 
+-wd_ipc_socket_dir = '/tmp'
++wd_ipc_socket_dir = '/run/pgpool'
+                                     # Unix domain socket path for watchdog IPC socket
+-                                    # The Debian package defaults to
+-                                    # /var/run/postgresql
+                                     # (change requires restart)
+ 
+ # - Virtual IP control Setting -
+diff -Naruw pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-snapshot pgpool-II-4.2.0/src/sample/pgpool.conf.sample-snapshot
+--- pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-snapshot	2020-11-25 20:25:31.000000000 -0500
++++ pgpool-II-4.2.0/src/sample/pgpool.conf.sample-snapshot	2020-12-16 21:57:56.779436277 -0500
+@@ -39,10 +39,8 @@
+ port = 9999
+                                    # Port number
+                                    # (change requires restart)
+-socket_dir = '/tmp'
++socket_dir = '/run/postgresql'
+                                    # Unix domain socket path
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ listen_backlog_multiplier = 2
+                                    # Set the backlog parameter of listen(2) to
+@@ -65,10 +63,8 @@
+ pcp_port = 9898
+                                    # Port number for pcp
+                                    # (change requires restart)
+-pcp_socket_dir = '/tmp'
++pcp_socket_dir = '/run/pgpool'
+                                    # Unix domain socket path for pcp
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ 
+ # - Backend Connection Settings -
+@@ -280,13 +276,13 @@
+ # FILE LOCATIONS
+ #------------------------------------------------------------------------------
+ 
+-pid_file_name = '/var/run/pgpool/pgpool.pid'
++pid_file_name = '/run/pgpool/pgpool.pid'
+                                    # PID file name
+                                    # Can be specified as relative to the"
+                                    # location of pgpool.conf file or
+                                    # as an absolute path
+                                    # (change requires restart)
+-logdir = '/tmp'
++logdir = '/run/pgpool'
+                                    # Directory of pgPool status file
+                                    # (change requires restart)
+ 
+@@ -655,10 +651,8 @@
+                                     # Authentication key for watchdog communication
+                                     # (change requires restart)
+ 
+-wd_ipc_socket_dir = '/tmp'
++wd_ipc_socket_dir = '/run/pgpool'
+                                     # Unix domain socket path for watchdog IPC socket
+-                                    # The Debian package defaults to
+-                                    # /var/run/postgresql
+                                     # (change requires restart)
+ 
+ 
+diff -Naruw pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-stream pgpool-II-4.2.0/src/sample/pgpool.conf.sample-stream
+--- pgpool-II-4.2.0.orig/src/sample/pgpool.conf.sample-stream	2020-11-25 20:25:31.000000000 -0500
++++ pgpool-II-4.2.0/src/sample/pgpool.conf.sample-stream	2020-12-16 21:57:56.779436277 -0500
+@@ -39,10 +39,8 @@
+ port = 9999
+                                    # Port number
+                                    # (change requires restart)
+-socket_dir = '/tmp'
++socket_dir = '/run/postgresql'
+                                    # Unix domain socket path
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ reserved_connections = 0
+                                    # Number of reserved connections.
+@@ -59,10 +57,8 @@
+ pcp_port = 9898
+                                    # Port number for pcp
+                                    # (change requires restart)
+-pcp_socket_dir = '/tmp'
++pcp_socket_dir = '/run/pgpool'
+                                    # Unix domain socket path for pcp
+-                                   # The Debian package defaults to
+-                                   # /var/run/postgresql
+                                    # (change requires restart)
+ listen_backlog_multiplier = 2
+                                    # Set the backlog parameter of listen(2) to
+@@ -286,13 +282,13 @@
+ # FILE LOCATIONS
+ #------------------------------------------------------------------------------
+ 
+-pid_file_name = '/var/run/pgpool/pgpool.pid'
++pid_file_name = '/run/pgpool/pgpool.pid'
+                                    # PID file name
+                                    # Can be specified as relative to the"
+                                    # location of pgpool.conf file or
+                                    # as an absolute path
+                                    # (change requires restart)
+-logdir = '/tmp'
++logdir = '/run/pgpool'
+                                    # Directory of pgPool status file
+                                    # (change requires restart)
+ 
+@@ -659,10 +655,8 @@
+                                     # Authentication key for watchdog communication
+                                     # (change requires restart)
+ 
+-wd_ipc_socket_dir = '/tmp'
++wd_ipc_socket_dir = '/run/pgpool'
+                                     # Unix domain socket path for watchdog IPC socket
+-                                    # The Debian package defaults to
+-                                    # /var/run/postgresql
+                                     # (change requires restart)
+ 
+ 

dev-db/pgpool2/pgpool2-4.2.0.ebuild

@@ -0,0 +1,98 @@
+# Copyright 1999-2020 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=7
+
+POSTGRES_COMPAT=( 9.{5..6} {10..13} )
+
+inherit autotools postgres-multi
+
+MY_P="${PN/2/-II}-${PV}"
+
+DESCRIPTION="Connection pool server for PostgreSQL"
+HOMEPAGE="https://www.pgpool.net/"
+SRC_URI="https://www.pgpool.net/download.php?f=${MY_P}.tar.gz -> ${MY_P}.tar.gz"
+LICENSE="BSD"
+SLOT="0"
+
+KEYWORDS="amd64 x86"
+
+IUSE="doc libressl memcached pam ssl static-libs"
+
+RDEPEND="
+	${POSTGRES_DEP}
+	net-libs/libnsl:0=
+	memcached? ( dev-libs/libmemcached )
+	pam? ( sys-auth/pambase )
+	ssl? (
+		!libressl? ( dev-libs/openssl:0= )
+		libressl? ( dev-libs/libressl:= )
+	)
+"
+DEPEND="${RDEPEND}
+	sys-devel/bison
+	virtual/pkgconfig
+"
+
+S=${WORKDIR}/${MY_P}
+
+pkg_setup() {
+	postgres_new_user pgpool
+
+	postgres-multi_pkg_setup
+}
+
+src_prepare() {
+	eapply \
+		"${FILESDIR}/pgpool-4.2.0-configure-memcached.patch" \
+		"${FILESDIR}/pgpool-configure-pam.patch" \
+		"${FILESDIR}/pgpool-4.2.0-configure-pthread.patch" \
+		"${FILESDIR}/pgpool-4.2.0-run_paths.patch"
+
+	eautoreconf
+
+	postgres-multi_src_prepare
+}
+
+src_configure() {
+	postgres-multi_foreach econf \
+		--disable-rpath \
+		--sysconfdir="${EROOT%/}/etc/${PN}" \
+		--with-pgsql-includedir='/usr/include/postgresql-@PG_SLOT@' \
+		--with-pgsql-libdir="/usr/$(get_libdir)/postgresql-@PG_SLOT@/$(get_libdir)" \
+		$(use_enable static-libs static) \
+		$(use_with memcached) \
+		$(use_with pam) \
+		$(use_with ssl openssl)
+}
+
+src_compile() {
+	# Even though we're only going to do an install for the best slot
+	# available, the extension bits in src/sql need some things outside
+	# of that directory built, too.
+	postgres-multi_foreach emake
+	postgres-multi_foreach emake -C src/sql
+}
+
+src_install() {
+	# We only need the best stuff installed
+	postgres-multi_forbest emake DESTDIR="${D}" install
+
+	# Except for the extension and .so files that each PostgreSQL slot needs
+	postgres-multi_foreach emake DESTDIR="${D}" -C src/sql install
+
+	newinitd "${FILESDIR}/${PN}.initd" ${PN}
+	newconfd "${FILESDIR}/${PN}.confd" ${PN}
+
+	# Documentation!
+	dodoc NEWS TODO
+	doman doc/src/sgml/man{1,8}/*
+	use doc && dodoc -r doc/src/sgml/html
+
+	# mv some files that get installed to /usr/share/pgpool-II so that
+	# they all wind up in the same place
+	mv "${ED%/}/usr/share/${PN/2/-II}" "${ED%/}/usr/share/${PN}" || die
+
+	# One more thing: Evil la files!
+	find "${ED}" -name '*.la' -exec rm -f {} +
+}